/*
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 * and open the template in the editor.
 */
package Controller;

import Data.GiuongNam;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author bienphongvnn
 */
@WebServlet(name = "GiuongNamController", urlPatterns = {"/GiuongNamController"})
public class GiuongNamController extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    public List<GiuongNam> dsGiuongNam = new ArrayList<GiuongNam>();

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            try {
                HttpSession session = request.getSession();
                String sohieugiuong = request.getParameter("btnVitri");
                int sohieu = Integer.parseInt(sohieugiuong);
                String doantau = request.getParameter("DoanTau");
                String toatau = request.getParameter("ToaTau");
                String phong = request.getParameter("Phong");
                String tang = request.getParameter("Tang");
                int sotang;
                if (tang.equals("Tang1")) {
                    sotang = 1;
                } else {
                    sotang = 2;
                }
                Object khachhang = session.getAttribute("KHACHHANG");
                Object giave = session.getAttribute("GIAVE");
                if (Model.GiuongNamModel.TimKiemTatCa(sohieu, sotang, phong, toatau) == true) {
                    String TITLE = "ĐẶT VÉ THẤT BẠI";
                    String CONTENT = "";
                    StringWriter content = new StringWriter();
                    content.append("Vị trí này đã được đặt. Quý khách vui lòng chọn số hiệu giường khác.");
                    content.append("Click vao <a href = 'GiuongNam.jsp'>đây</a> để đặt vé tiếp tục.");
                    content.close();
                    CONTENT = content.toString();
                    /**
                     * Xuất nội dung với một template cho sẵn
                     */
                    Hashtable<String, String> data = new Hashtable<String, String>();
                    data.put("TITLE", TITLE);
                    data.put("CONTENT", CONTENT);
                    String viewPath = "/View/template.html";
                    String absolutepath = getServletContext().getRealPath(viewPath);
                    String webcontent = MyUltilities.readFile(absolutepath, UTF_8);
                    webcontent = MyUltilities.replace(data, webcontent);
                    out.println(webcontent);
                } else {
                    //Lấy thông tin GiuongNam
                    GiuongNam giuong = new GiuongNam();
                    giuong.SoHieuGiuong = Integer.parseInt(sohieugiuong);
                    giuong.TrangThai = "Đã đặt";
                    giuong.Tang = sotang;
                    giuong.MaPhong = phong;
                    giuong.MaKhachHang = khachhang.toString();
                    giuong.MaToa = toatau;
                    giuong.MaTau = doantau;
                    giuong.GiaVe = Double.parseDouble(giave.toString());
                    //session
                    if (session.getAttribute("GIOHANGGIUONGNAM") == null) {
                        dsGiuongNam.add(giuong);
                        synchronized (session) {
                            session.setAttribute("IS_DATVEGIUONGNAM", true);
                            session.setAttribute("GIOHANGGIUONGNAM", dsGiuongNam);
                        }
                    } else {
                        dsGiuongNam.add(giuong);
                    }

                    //Kiểm tra đặt vé
                    Object ob = session.getAttribute("IS_DATVEGIUONGNAM");
                    boolean is_DatVeGiuongNam = true;
                    if (ob == null || (boolean) ob == false) {
                        is_DatVeGiuongNam = false;
                    }
                    if (is_DatVeGiuongNam) {
                        response.sendRedirect("GiuongNam.jsp");
                    }
                }

            } catch (Exception ex) {
                String TITLE = "ĐẶT VÉ THẤT BẠI";
                String CONTENT = "";
                StringWriter content = new StringWriter();
                content.append("Đã xảy ra lỗi trong quá trình đặt vé. Quý khách cần nhập đầy đủ thông tin.");
                content.append("Click vao <a href = 'DatVeOnline.jsp'>đây</a> để đặt vé tiếp tục.");

                content.close();
                CONTENT = content.toString();
                /**
                 * Xuất nội dung với một template cho sẵn
                 */
                Hashtable<String, String> data = new Hashtable<String, String>();
                data.put("TITLE", TITLE);
                data.put("CONTENT", CONTENT);
                String viewPath = "/View/template.html";
                String absolutepath = getServletContext().getRealPath(viewPath);
                String webcontent = MyUltilities.readFile(absolutepath, UTF_8);
                webcontent = MyUltilities.replace(data, webcontent);
                out.println(webcontent);
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
